div{
    margin: auto;
    margin-bottom: 10px;
    margin-top: 10px;

}

/*头部内容*/
#login_header{
    text-align: center;
    height: 180px;
    width: 1200px;
}

.logo_img {
    width: 300px;
    height: 180px;
}

/*主体内容*/
#l_content {
    float: left;
    margin-top: 150px;
    margin-left: 300px;
}

#l_content span {
    font-size: 60px;
    color: white;
}

.login_banner{
    height:450px;
    background-color: purple;
}

#content{
    height:310px;
    width:406px;
    float: right;
    margin-right:200px;
    margin-top: 80px;
    background-color: #fff;
}

.tit{
    height: 50px;
}

.tit h1 {
    float: left;
    margin-top: 5px;
    margin-left: 10px;
    font-size: 30px;
}

/*.form input {*/
/*    border: 0 none;*/
/*    float: none;*/
/*    font-size: 30px;*/
/*    height: 18px;*/
/*    line-height: 18px;*/
/*    overflow: hidden;*/
/*    padding: 10px 0 10px 10px;*/
/*    width: 220px;*/
/*}*/

#sub_btn{
    background-color: purple;
    border: none;
    color: #fff;
    width: 250px;
    height: 80px;
    font-size: 22px;
    margin-left: 80px;
}

/*底部版权*/
#bottom{
    height: 30px;
    width: 1200px;
    text-align: center;
}

